fosgate t400.4 vs alpine pdx 4.100

[rebelfromva 10+ year member]

Currently have the t400.4 on my interior speakers. Just some low end coax right now. Eventually want some comps up front and some decent rears. I came across a decent deal on a pdx 4.100. My quwstion is how much of a difference would either amp. Both have similar specs and i know the pdx does 129 per ch by the sheet. Havent decided on which speakers id be uprading to yet. Any input would be great.

To add, always veen a big fosgate fan but never had any expierence with alpine amps.

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[kramer_212 10+ year member]

the alpine is a little more efficent, but is class d, so normally the sound isn't as smooth as an ab amp.

 

[rebelfromva 10+ year member]

Yeah havent seen many fosgate amps that were not a good amount underrated. I like the pdx because of being stackable and for the money you can,t beat it.

 

[Bettr n' Revrse 5,000+ posts]

You aren't going to notice a difference at all... Both amps are just alright but nothing fantastic